<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>首页</title>
</head>
<body>
    <h2>Second 蓝图主页</h2>
    <h3>后台传递来的信息：{{ msg }}</h3>
</body>
</html>